linux-kernel - Re: Re: Re: [REGRESSION] [Linux 3.2] top/htop and all other CPU usage

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Date:	Tue, 29 Nov 2011 12:54:16 +0000 (GMT)
From:	"Artem S. Tashkinov" <t.artem@...os.com>
To:	mhocko@...e.cz
Cc:	pomac@...or.com, linux-kernel@...r.kernel.org, rjw@...k.pl,
	tino.keitel@...ei.de
Subject: Re: Re: Re: [REGRESSION] [Linux 3.2] top/htop and all other CPU
 usage

> On Nov 29, 2011, Michal Hocko  wrote: 
> 
> On Tue 29-11-11 13:31:56, Michal Hocko wrote:
> > On Tue 29-11-11 11:38:47, Artem S. Tashkinov wrote:
> [...]
> > > $ grep . -r /sys/devices/system/cpu/cpuidle/
> > > /sys/devices/system/cpu/cpuidle/current_driver:intel_idle
> > > /sys/devices/system/cpu/cpuidle/current_governor_ro:menu
> 
> Could you try with acpi_idle driver?
> echo acpi_idle > /sys/devices/system/cpu/cpuidle/current_driver

[root@...alhost ~]# echo acpi_idle > /sys/devices/system/cpu/cpuidle/current_driver
-bash: /sys/devices/system/cpu/cpuidle/current_driver: Permission denied
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